Administrative Staff

Joshua Wilson

School Director


Joshua Wilson brings with him17 years of experience working in schools, including as a Waldorf school administrator, pedagogical director, development director, teacher, and administrator. In 2007, he co-founded Escuela Caracol, Guatemala’s first Waldorf school and the most established Waldorf school in Central America. Joshua carries a deep commitment to Waldorf education with experience as both a teacher and an administrator and he was particularly drawn to Camellia because of its emphasis on collaboration, relationships, and diversity. His experience, ideas, administrative skills, cross-cultural experiences, and commitment to faculty-led education have brought him to Camellia, and he is particularly moved by the deep love and commitment that the community has for the school. Joshua is excited to collaborate and be a part of shaping the future of Camellia Waldorf School.

Mr. Wilson joined Camellia in 2021 and is also a Camellia parent.

Contact Joshua Wilson:


Office Manager and Registrar

Sidonie Ospina


Sidonie Ospina has held a number of administrative positions at Camellia, always learning new skills, keeping us organized and taking on new responsibilities, always ready and willing to do whatever is needed to make Camellia thrive.

A skilled artist, Ms. Ospina earned a certificate from the Art Students League of New York, where she studied painting, drawing, etching and ceramics. Before coming to Camellia, she worked as an in-house artist at the textile company, Fortuny, in New York and as a production manager for the same company in Venice, Italy.


Ms. Ospina has been a Camellia parent for over 8 years. She joined the Camellia administration staff in 2014.

Contact Sidonie Ospina:

Janna Nygren

Janna Nygren has a bachelor’s degree in American studies from the University of Hawaii Manoa and has formally studied early childhood education. She has more than 20 years’ experience working with children of all ages and has been a preschool teacher, special education classroom aide, and mentoring program coordinator. Ms. Nygren has also worked with non profit organizations as a program coordinator and grant writer. Her passion for working with children paired with her administrative skills have made her well suited to the many responsibilities of her position at Camellia.


Ms. Nygren has been a Camellia parent for more than 10 years and is delighted to be of service to the community. She joined the Camellia administration staff in 2016.

Contact Janna Nygren:

Jenny Woods

Enrollment and Outreach Coordinator


Jenny Woods considers Camellia her second home and brings a bright smile and “can-do” attitude to the school. She has a great deal of nonprofit experience that includes fundraising, grant writing and event planning. She’s also well versed in the ever-changing world of social media. A Sacramento native, Ms. Woods has an associates' degree in social science from Sacramento City College and formally studied early childhood education and women’s studies at California State University Sacramento. Ms. Woods loves being a mom and when not at Camellia or with her family, she paints, sews, gardens and reads.


Ms. Woods has been a Camellia parent since 2010 and is an alumni parent as well. She joined the Camellia administration staff in 2019.

Contact Jenny Woods:

Hubert Bones

Grounds Keeper & Woodworking


Hubert is a craftsman and woodworker. He has always enjoyed volunteering his time and making projects for the school and is excited to be a part of the Camellia staff. Hubert takes great pride in keeping the Camellia campus beautiful and healthy, making sure it is as beautiful as it can be for the children!

Mr. Bones is a Camellia parent. He joined the administrative team in 2020.

Contact Hubert Bones:

Celina Deitchman

Administrative Coordinator

Operations Manager

Celina received her BA in Performing Arts & Social Justice from the University of San Francisco. She has an eclectic array of experience as an educator that spans over ten years. Before taking a break from the professional world to be a full-time mom, Celina was a Summer Program Director for a STEM summer camp in the Bay Area. She also has experience teaching theater, cooking and various roles in the school and camp settings as well as aboard a tall ship. 

Celina enjoys cooking and exploring the outdoors with her family. She also loves to dance and attend live performances of all varieties. 

Celina joined the Camellia staff in 2021 and is also a current parent.

Contact Celina Deitchman: